Color

#647859

#647859
hex#647859
rgbrgb(100, 120, 89)
hslhsl(99, 15%, 41%)
oklchoklch(0.548 0.052 134.6)
Closest name: Cactus (#5b6f55)Relative luminance 0.1686

Colors that go with #647859

Charcoal, Slate Blue and Champagne lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #647859

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6d5978

#747859 · #59785e

#596478 · #785964

Split-complementary

Open in tool →

#5e5978 · #785974

#597478 · #6d5978 · #785e59

Contrast

#647859 as textRatioAAAA largeAAAFix
Aaon white
4.8:1passpassfail
  • AAA: use #4b5b43 as the text (7.3:1)
Aaon black
4.37:1failpassfail
  • AA: use #667b5b as the text (4.55:1)
  • AAA: use #879d7b as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #647859 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #647859
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #647859 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/647859-a8bea2-664edf-1f2d21-f0f1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md